. >>> president obama flew to nevada to make a point today, a politically crucial place to throw his arms against a new path to citizenship for millions of undocumented immigrants in this country. our white house correspondent peter alexander has our report from las vegas. >> reporter: the first trip of president obama's second term had the energy of a campaign event. vis issing this high school to build support for immigration reform. >> now is the time to find a better way to welcome the striving, hopeful immigrants that still see america as the land of opportunity. >> reporter: the president's plan calls for bolstering border security, cracking down on employers hiring undocumented workers, and most controversially allowing 11 million undocumented immigrants living in the u.s. to earn citizenship by paying taxes and passing a background check, among other requirements. >> this is not just a debate about policy, it is about people. >> reporter: mr. obama described a similar bipartisan plan in the senate as encouraging, but republicans are also warning the president that there are l